Chord Progressions
Build chord progressions in any key, browse 40 presets by mood and genre, and hear them played back. Save favorites and share links. Free, no sign-up.
About chord progressions
Build a chord progression in any key, major or minor, hear it played back on piano, guitar or pad, and browse forty presets organized by mood and genre when you want a starting point instead of a blank slate. Chords are written as roman numerals (I, IV, V, vi…) rather than fixed note names, so a progression stays the same progression when you change key — a I–V–vi–IV in C is the same shape as in G, just transposed.
How to use it
- Pick a key and mode, then add chords from the palette below the builder, or load a preset from the library.
- Press play to hear the whole progression, or tap a single chord to hear just that one.
- Adjust tempo, playback style, and instrument (piano, guitar or pad) from the playback controls.
- Switch the palette to sevenths to add jazzier seventh chords as you build.
- Save a progression to your favorites, or use the share and export buttons to send it elsewhere.
Tips
- The same roman-numeral progression sounds noticeably different in major than in minor — switch the mode on a progression you know and compare.
- Export to MIDI to drop a progression straight into a DAW instead of re-entering it by hand.
- A shared link encodes the whole progression in the URL — no account needed to send someone what you built.
FAQ
What do the roman numerals mean?
Each numeral is a scale degree — I is the chord built on the key’s first note, V on its fifth, and so on. Capital numerals are major chords, lowercase are minor, matching how each degree naturally falls in that key and mode.
Are my favorites saved anywhere besides this browser?
No — favorites are stored locally in your browser, not on a server. Use the export/import buttons to move them to another device or back them up.
Can I get the progression into my DAW?
Yes — the download button exports the current progression as a standard MIDI file.